203420385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37987}}^1$

素因数の和:38022

約数の個数: 48

約数和(自身を含む): 426681216

約数和(自身を除く): 223260831

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5355, 37987, 113961, 189935, 265909, 341883, 569805, 645779, 797727, 1329545, 1709415, 1937337, 2393181, 3228895, 3988635, 4520453, 5812011, 9686685, 11965905, 13561359, 22602265, 29060055, 40684077, 67806795, 203420385]

約数ペア:

[(1, 203420385), (3, 67806795), (5, 40684077), (7, 29060055), (9, 22602265), (15, 13561359), (17, 11965905), (21, 9686685), (35, 5812011), (45, 4520453), (51, 3988635), (63, 3228895), (85, 2393181), (105, 1937337), (119, 1709415), (153, 1329545), (255, 797727), (315, 645779), (357, 569805), (595, 341883), (765, 265909), (1071, 189935), (1785, 113961), (5355, 37987)]